Fitbit Flex vs. Jawbone UP4 vs. Polar A370 vs. Garmin Forerunner 45 vs. Skagen Falster 3

 
Flex
UP4
A370
Forerunner 45
Falster 3
 FitbitFlexRemove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowSkagenFalster 3Remove Buy Now

Basic Info

Suggested Price$100$200$179.95$199$295
Release20132015201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNAUp to 3 days7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANA160 x 80208 x 208416 x 416
SizeNANA1.18 inches1.04 inches1.28 inches
TouchNANA
TypeLEDNATFT LCDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNAWR305 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANABuilt-inWear OS
Apps
MusicNA

All Wearables